Global Patent Index - EP 4157971 B1

EP 4157971 B1 20240403 - ADDITIVE COMPOSITION FOR MOTOR FUEL

Title (en)

ADDITIVE COMPOSITION FOR MOTOR FUEL

Title (de)

ADDITIVZUSAMMENSETZUNG FÜR MOTORKRAFTSTOFF

Title (fr)

COMPOSITION D'ADDITIFS POUR CARBURANT MOTEUR

Publication

EP 4157971 B1 20240403 (FR)

Application

EP 21734410 A 20210528

Priority

  • FR 2005698 A 20200529
  • FR 2021050970 W 20210528

Abstract (en)

[origin: WO2021240116A1] The present invention relates to a fuel additive composition comprising at least a first additive chosen from quaternary ammonium salts different from betaines, and at least a second additive chosen from amido alkyl betaines, wherein the weight ratio of the amount of the first additive to the amount of the second additive is within the range of from 1: 4 to 4: 1. The invention also relates to an additive concentrate and to a fuel composition comprising this additive composition, and also to the use thereof for preventing and/or eliminating the deposits in at least one of the internal parts of an engine.

IPC 8 full level

C10L 1/222 (2006.01); C10L 10/04 (2006.01); C10L 10/06 (2006.01)

CPC (source: EP US)

C10L 1/22 (2013.01 - EP); C10L 1/2222 (2013.01 - EP US); C10L 10/04 (2013.01 - EP US); C10L 10/06 (2013.01 - EP US); C10L 1/222 (2013.01 - EP); C10L 1/224 (2013.01 - EP); C10L 1/2383 (2013.01 - EP); C10L 1/2387 (2013.01 - EP); C10L 2200/0259 (2013.01 - US); C10L 2200/0423 (2013.01 - EP); C10L 2200/0446 (2013.01 - US); C10L 2230/22 (2013.01 - US); C10L 2270/023 (2013.01 - EP); C10L 2270/026 (2013.01 - EP US)

Designated contracting state (EPC)

AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

DOCDB simple family (publication)

FR 3110913 A1 20211203; FR 3110913 B1 20231222; CN 115698233 A 20230203; EP 4157971 A1 20230405; EP 4157971 B1 20240403; US 2023203391 A1 20230629; WO 2021240116 A1 20211202

DOCDB simple family (application)

FR 2005698 A 20200529; CN 202180038614 A 20210528; EP 21734410 A 20210528; FR 2021050970 W 20210528; US 202117928171 A 20210528